Pervasive-terminal-oriented continuous and multi-resolution encoding method of three-dimensional grid model

A multi-resolution, three-dimensional grid technology, applied in 3D modeling, image data processing, instruments, etc., can solve the problems that the grid model cannot achieve satisfactory visual effects, wasteful operation of system resources, and display roughness, etc., to achieve improvement The effect that the model resolution does not match the screen resolution, avoiding severe distortion problems

Active Publication Date: 2012-01-18
SUN YAT SEN UNIV
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Problems solved by technology

As a result, on mobile terminals where the screen size cannot be uniform, sometimes the use of an overly fine grid results in

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  • Pervasive-terminal-oriented continuous and multi-resolution encoding method of three-dimensional grid model
  • Pervasive-terminal-oriented continuous and multi-resolution encoding method of three-dimensional grid model
  • Pervasive-terminal-oriented continuous and multi-resolution encoding method of three-dimensional grid model

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Embodiment Construction

[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0036] figure 1 It is a schematic flow chart of a continuous multi-resolution encoding method for a ubiquitous terminal-oriented 3D grid model in an embodiment of the present invention, as shown in figure 1 As shown, the method includes:

[0037] S101. Simplify the grid model by using a feature-enhanced quadratic error measurement method on the server side;

[0038] S102, the server side builds a multi-resolution grid structure with continuously adjustable resolu...

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Abstract

The embodiment of the invention discloses a pervasive-terminal-oriented continuous and multi-resolution encoding method of a three-dimensional grid model. The method comprises the following steps: a server side simplifies the grid model by adopting a characteristic-strengthened quadric error measuring method; the server side establishes a multi-resolution grid structure with continuous and adjustable resolutions on the basis of a simplification process; the server side transmits the multi-resolution grid structure with continuous and adjustable resolutions to a pervasive terminal; and the pervasive terminal determines the size of the received corresponding resolution of the multi-resolution grid structure according to the resolution of a terminal screen and the resolution information carried by the grid structure. According to the embodiment of the invention, the situation of more grid characteristic loss when the three-dimensional grid model is smaller can be avoided, and therefore, the serious distortion problem existing in the multi-resolution structure when the resolution is smaller is avoided; in addition, the situation of unmatching between the model resolution and the screen resolution can be improved better.

Description

technical field [0001] The present invention relates to the technical field of multi-resolution modeling and reconstruction of three-dimensional grid models, in particular to the multi-resolution modeling and reconstruction technology in the field of mobile graphics, and in particular to a continuous multi-resolution of three-dimensional grid models for universal terminals rate encoding method. Background technique [0002] With the continuous development of wireless network and mobile computing technology, people have higher and higher requirements for real-time and interactive operation of mobile 3D graphics applications. However, mobile computing terminals have relatively low computing power and memory capacity, small display screens, non-standard sizes, and limited battery life. These factors greatly restrict the application of interactive 3D graphics in mobile computing terminals. [0003] Multi-resolution modeling techniques are a better solution. Multi-resolution r...

Claims

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Application Information

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IPC IPC(8): G06T17/30
CPCG06T2210/36G06T17/205G06T2210/08
Inventor 朱为鹏罗笑南
Owner SUN YAT SEN UNIV
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